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[Solved] Sufficient PSU?

Forum CPU & Components : Power Supplies, Cases & Mods [Solved] Sufficient PSU?

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http://www.newegg.com/Product/Prod [...] 6817153136

Sufficient for xfired 6850s, i7 2600k OC @ 4.5, 16gb ddr3 1666 RAM?

Reply to nudd

The only Thermaltake PSU I would consider is their Toughpower line. A good quality 650W PSU like this Seasonic S12II 620W with 48A on the 12V rail.
http://www.newegg.com/Product/Prod [...] 12II%20620

Awesome price right not at $59.50 after the 15% discount code.

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Reply to Rugger

So then the seasonic is sufficient for my hardware? I already have a stock 600W PSU.

Reply to nudd

What is the make/model of your 600W PSU? Not all PSUs are the same...

Message edited by Rugger on 02-06-2012 at 09:55:19 PM

CF 6850s consume about 250W at full load.
Take a look at this review at Guru3d http://www.guru3d.com/article/rade [...] x-review/4

Their total system power on CF 6850s and an i7 975 OCd to 3.75 is 393W at full load using Furmark; btw Furmark has been assessed as creating unrealistically high power consumption during tests. If you use the 393W measured at full load, then your at 63% capacity on the Seasonic 620W. 63% is pretty much in the sweet zone for that PSUs efficiency numbers and you have wattage room to spare.

Message edited by Rugger on 02-06-2012 at 10:11:34 PM

Best answer

For a system using two Radeon HD 6850 graphics cards in 2-way CrossFireX mode AMD specifies a minimum of an 600 Watt or greater power supply. The power supply should also have a combined +12 Volt continuous current rating of 35 Amps or greater and have at least two 6-pin PCI Express supplementary power connectors.

Overclocking of the CPU and/or GPUs will, of course, increase the +12 Volt continuous current rating required to properly power the system. I would recommend at least 40 Amps or greater on the +12V rail(s) to properly handle your overclocking.

I wouldn't recommend the Thermaltake TR2 RX 750W (W0382RU). Its high ripple and noise will rapidly degrade the electrolytic capacitors on your graphics cards and motherboard not immediately but over a period of a few months.

The SeaSonic S12II-620 Bronze, with its combined +12 Volt continuous current rating of 48 Amps and one 6-pin and one (6+2)-pin PCI Express supplementary power connectors, is more than sufficient to power your system configuration.

That stock Xtreme Gear PS600 600W PSU that came with your CyberpowerPC is a piece of junk.

Reply to ko888

ko888: Where do you pull your requirements info for your posts? I like how you format your responses; clear, concise, and informative. If you don't mind, i may adopt some of your response format.

Best answer selected by nudd.

Reply to nudd

Thank you k0888.

Reply to nudd

This topic has been closed by Mousemonkey

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